EDELMAN LATEST
ULTRASOUND
PHYSICS CHAPTER 2
true or false: when in phase waves of different frequencies combine,
both constructive and destructive interference occurs - ANSWERS-true
Variations in all of the following identify specific waves as acoustic
waves EXCEPT-
pressure
parameters
density
acoustic variables - ANSWERS-parameters
all of the following are acoustic parameters except:
pressure
period
propagation speed
frequency - ANSWERS-pressure
END OF
PAGE 1
, EDELMAN LATEST
ULTRASOUND
PHYSICS CHAPTER 2
at the peaks of the sound wave graph, (compression or rarefaction)
occurs - ANSWERS-compression
at the troughs of the sound wave graph, (compression or rarefaction)
occurs - ANSWERS-rarefaction
during compression, how do density and pressure change? -
ANSWERS-pressure increases, density increases
during rarefaction, how do pressure and density change? - ANSWERS-
density decreases, pressure decreases
What are the three acoustic variables? - ANSWERS-pressure, density,
distance
what is pressure? - ANSWERS-concentration of force in an area
What is pressure measured in? - ANSWERS-Pascals
END OF
PAGE 2
ULTRASOUND
PHYSICS CHAPTER 2
true or false: when in phase waves of different frequencies combine,
both constructive and destructive interference occurs - ANSWERS-true
Variations in all of the following identify specific waves as acoustic
waves EXCEPT-
pressure
parameters
density
acoustic variables - ANSWERS-parameters
all of the following are acoustic parameters except:
pressure
period
propagation speed
frequency - ANSWERS-pressure
END OF
PAGE 1
, EDELMAN LATEST
ULTRASOUND
PHYSICS CHAPTER 2
at the peaks of the sound wave graph, (compression or rarefaction)
occurs - ANSWERS-compression
at the troughs of the sound wave graph, (compression or rarefaction)
occurs - ANSWERS-rarefaction
during compression, how do density and pressure change? -
ANSWERS-pressure increases, density increases
during rarefaction, how do pressure and density change? - ANSWERS-
density decreases, pressure decreases
What are the three acoustic variables? - ANSWERS-pressure, density,
distance
what is pressure? - ANSWERS-concentration of force in an area
What is pressure measured in? - ANSWERS-Pascals
END OF
PAGE 2
